Lavatory waste conduit system



J. FRASER 1,958,992

LAVATORY WASTE CONDUIT SYSTEM Filed Sept. 16, 1931 IIIIIUIIIIIIIIII 2|ell l mlll INVEN TOR. (Kb/was FRASER BY 4: 4! Wg,

A TTORNEY Patented May 15, 1934 UNITED STATES PATENT; OFFICE LAVATORYWASTE CONDUIT SYSTEM man Company, Wilmington, Del., a corporation ofDelaware Application September 16, 1931, Serial No. 563,022

Claims.

My present invention relates to the construction and assembly of wasteconduit systems for use in lavatories and the like and more particu- Hlarly, to an escutcheon for covering and sub- -'5' stantiallyconcealingcertain unornamental parts of the conduit systems which would otherwisebe exposed.

The general object of my invention is the provision of an improved wasteconduit construc- 16 tion, and more particularly, of an escutcheon forT26 standing of the invention, however, and the advantages possessed byit reference should be had to the accompanying drawing and descriptivematter in which I have illustrated and described preferred embodimentsof the invention.

Of the drawing:

Fig. 1 is an elevation partly in section of a lavatory'basin conduitsystem incorporating my invention;

Fig. 2 is an elevation taken at right angles 36 to Fig. 1;

Fig. 3 is a perspective view of the escutcheon; and

Fig. 4 is a view similar to Fig. 3. of a modification.

In the drawing, A represents a portion of a lavatory basin ofconventional design having in its bottom a waste outlet passage A. Thebasin is also formed with the usual overflow passage A opening at itslower end into an intermediate I4 portion of the passage A. A wasteconduit is connected to the basin and comprises an upper section Barranged in the outlet passage and having an upper flanged end portion Bsupported on a correspondingly shaped seat A formed in the basin. Theconduit section B is formed with a conical valve seat B at its upper endand an externally threaded portion B at its lower end. Between its ends,the section B is provided with lateral ports B communicating with thepassage A at the lower end of the overflow passage A The conduit sectionB is secured in place on the basin by a lock nut C screwed on the lowerthreaded end of the section to engage the underside of a washer Dinterposed between the nut and the lower surface of the basin. Thewasher D advantageously is formed by a lower metallic ring D and anupper ring D of resilient rubber, which when compressed against thebasin provides a fluid-tight closure for the lower end of the wastepassage A.

Connected to the lower end of the conduit section B is a second orintermediate section E consisting of a T-shaped fitting E, which isformed with upper and lower aligned portions E and E respectively,internally threaded for ()5 connection with the section B and a lower ortail piece section F. A lateral portion E projecting from the rear ofthe fitting is formed with a horizontal passage E which is restrictedadjacent its outer end by a transverse partition 7 E A verticallyelongated slot .E" is formed therein to permit tilting movements of avalve operating lever G, which extends into theinterior of the fittingE. At its outer side, the partition is shaped to form a hemisphericalseat E for 7 a ball G fixed on an intermediate part of the lever G. Theball is held tightly against its seat in all positions of the lever by acoiled .compression spring I-I arranged in a cup-shapednut J, which isscrewed onto the outer end of the g fitting portion E When the valveparts are assembled in position, the inner end of the lever G fits intoan eye K formed on the lower end of thewaste valve K to raise and lowerthe same relative to the valve seat B The valve K comprises a tapereddisc portion K adapted to seat on the conical seat B and a dependingstem portion K which is provided with several lateral guide ribs Kslidably fitting in the conduit section B. The projecting portion of thelever G is provided with a series of openings G through which the levermay be adjustably connected to a valve operating rod L, extendingupwardly toa point at which it may be operated by the user.

In use, the pop-up waste valve illustrated and described is operated bythe user raising the rod L to cause the inner end of the lever G to seatthe valve K and close the passage from the bottom of the basin, andlowering the rod 1 9 to unseat the valve and allow the contents of thebasin to drain.

In a lavatory basin installation provided with a waste system of thecharacter described, the portions of the drainage conduit shown arenormally exposed to view beneath the basin. To improve the appearance ofthese parts, they have in some cases been chromium plated and finished.It has been found impracticable to give the fitting E, threaded portionB and lock nut C the same degree of finish as the exposed surfaces ofthe valve disc K and the conduit sections B and F. Furthermore,objections have been raised to the exposure of the lock nut C andthreaded portion B The amount or" the exposure of the latter will varywith the thickness of the basin portion in which the outlet passage isformed and that in turn is usually dependent on the material of whichthe basin is constructed. For example, only a few threads would beexposed with a solid porcelain basin, as illustrated, whereas many morewould be exposed where the parts are applied to a basin of enamelediron.

The appearance of the waste conduit is substantially improved and otheradvantages attained by providing an escutcheon N of lightweight metaladapted to be finished in the same manner as the conduit section F forthe otherwise exposed portions of the fitting E, threaded portion B andlock nut C, and preferably adapted for use irrespective of the thicknessof the basin bottom in the installation in which it is used. Theescutcheon shown in Figs. l3 is tubular in form with its lower portion Ntaper- I an enlarged section thereof.

ing to form a collar N at the lower end. The upper portion N is formedwith a vertically elongated slot N extending from the upper edge of thetube to a point adjacent the beginning of the tapered section N. Inconstructing the escutcheon, the width of the slot N is made slightlygreater than the diameter of the rearwardly projecting portion or" thefitting E, which is adjacent thereto when in its proper position, andthe lower edge of the slot is rounded to conform to the shape of thelower surface of this fitting portion. The inner diameter of the upperendof the escutcheon is made approximately the same as the distanceacross corners of the lock nut C, so that the upper end of theescutcheon may be centered on the nut and preferably have a snap-on andoff engagement with the corners thereof, as shown in Fig. 1. The innerdiameter of the escutcheon collar N is made slightly greater than theoutside diameter of the tail piece F,

permitting the collar to be slidably mounted on the same.

In assembling the waste ensemble, the escutcheon is placed on the tailpiece F before the remaining conduit sections are connected thereto,

and after the various connections and adjustments have been made theescutcheon is slid upwardly or adjusted telescopically on the tail piecewith the" slot N registering with the lateral fitting section E untilthe slotted end of the escutcheon is forced over the corners of the locknut. The frictional contact between the lock nut corners and the innersurface of the escutcheon may be generally sufiicient to hold the latterin its intended position, but to insure the proper positioning of theescutcheon I have provided a set screw N which is threaded in a tappedhole N in the collar N into abutting contact with the tail piece toclamp the collar firmly thereon. When so arranged, all of the fitting E,

" lock nut C and threaded portion B which is ordinarily exposed to View,will be covered by the escutcheon. The latter is advantageously finishedin the same manner as the tail piece and to a casual observer willappear to constitute In addition to the improved appearance of the wasteconduit which is attained, the use of an escutcheon of the characterdescribed permits the fitting E to be left unfinished, whichsubstantially reduces the cost f of manufacture thereof.

In the modification illustrated in Fig. 4, the escutcheon O is formed bya member generally similar in form to the escutcheon N with the collarsection N removed. In this construction the slot 0' extends throughoutthe length of the escutcheon and is of sufficient width to pass aroundthe fitting E. The escutcheon lower edge is cut away as indicated at Osufiiciently to permit it to pass around the tail piece. The escutcheonis held in position on the waste conduit by a U-shaped spring clamp 0within and secured at its intermediate portion 0 to the inner side ofthe escutcheon at a point opposite the center line of the slot andadjacent to the upper end of the escutcheon. The escutcheon 0 may beinstalled in position on the waste conduit after the latter has beenassembled, being held in position thereon by the spring clamp engagingthe threaded sec tion B The appearance of existing installations maythus be enhanced without the necessity of disassembling the conduitparts.

While in accordance with the provisions of the statutes, I haveillustrated and described the best forms of my invention now known tome, it will be apparent to those skilled in the art that changes may bemade in the forms of the devices disclosed without departing from thespirit of my invention as set forth in the appended claims and that insome cases certain features of my in vention may be used to advantagewithouta corresponding use of other features.

Having now described my invention, what I claim as new and desire tosecure by Letters Patent, is:

1. The combination with a lavatory basin having a waste opening in itsbottom, of a waste conduit comprising an upper section connecting withsaid opening and having a lower threaded end projecting below saidbasin, a second conduit section connected to the lower end of said uppersection, and a tubular escutcheon having an upper portion extendingabout and concealingsaid upper section and having a lower portion ofreduced cross section extending about the upper portion of said secondsection, the latter extending downward through and beyond saidescutcheon, and means by which said escutcheon is detachably secured toand supported by said conduit.

2. The combination with a lavatory basin having a waste opening in itsbottom, of a waste conduit comprising an upper section connecting withsaid opening and having a lower threaded end projecting below saidbasin, a lock nut on said threaded end portion for holding said conduitin position relative to said basin, a second conduit section connectedto the lower end of said upper section, and a tubular escutcheontelescopically mounted on said conduit and having its upper and lowerends engaging and centered on said lock nut and said section,respectively.

3. The combination with a lavatory basin having a waste opening in itsbottom, of a waste conduit comprising an upper section connecting withsaid opening and having its lower end portion projecting below saidbasin, an intermediate section comprising a fitting connected to saidupper section, and a lower section connected to said fitting, a wastevalve for opening and closing said waste opening arranged to seat insaid upper section, a valve operating member projecting through the rearwall of said intermediate section and operatively connected to saidvalve, and an escutcheon mounted on said conduit for telescopic movementthereon into and out of the position in which it covers and conceals theprojecting portion of said upper section and said intermediate section.

4. An escutcheon for a lavatory basin waste conduit comprising a tubularmember having an elongated slot extending from the upper end thereof andhaving a contracted lower end adapted to slidingly receive said conduitand having clamping means for detachably securing said escutcheon tosaid conduit and holding it against longitudinal movement relativethereto.

5. The combination with a lavatory basin having a waste opening in itsbottom, of a waste conduit connected with said bottom, a waste valveoperating member connected to and projecting laterally away from anupper section of said conduit, and an escutcheon having an upper portionadapted to partially surround the section of said conduit from whichsaid member projects and having a slot in one side thereof through whichsaid operating member projects, said escutcheon comprising a lowertubular portion mounted on a section of the conduit below said memberand movable longitudinally thereon into and out of the position in whichsaid upper portion partially surrounds said upper section.

JAMES FRASER.

